Desilt reservoirs, deepen lakes to save city from floods, droughts / World's largest man-made lake is being parched by drought / Drought dries up lake to reveal sunken Greek village / Mexico tries to bring drought-stricken lake back to life / Greek valley that became a lake stirs drought debate / In Mexico, a once glittering lake is being sucked dry by development, drought and lawlessness / A floating village is stranded on a dry lakebed as extreme drought grips the Amazon / Climate change: Lake Titicaca on drought alert since end of July